What is Microsoft's April 2026 Patch Tuesday?

It's the monthly security update batch fixing 167 vulnerabilities, including two zero-days in SharePoint and Defender.

Are the zero-days in April 2026 Patch Tuesday exploited?

Yes—one SharePoint spoofing flaw was actively exploited; the other Defender bug was publicly known.

Should I update Microsoft Office right now?

Absolutely—multiple RCE flaws hit Word and Excel via previews or docs; prioritize if you handle attachments.

[2026] Microsoft April Patch Tuesday: 167 Flaws, 2 Zero-Days Fixed

Another Patch Tuesday, another avalanche of holes in Windows. Microsoft's April 2026 drop fixes 167 flaws—including two zero-days—but who's surprised? Same old story.

CVE Watch Apr 15, 2026 4 min read 11 views

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Microsoft Patch Tuesday April 2026 security update bulletin with vulnerability counts

⚡ Key Takeaways

167 vulnerabilities patched, including 8 Criticals and 2 zero-days (SharePoint exploited spoofing, Defender privilege escalation). 𝕏
Office RCE bugs demand immediate updates for preview-pane and document risks. 𝕏
Echoes past disasters like EternalBlue; expect underground exploits soon. 𝕏

Written by

Maya Thompson

Threat intelligence reporter. Tracks CVEs, ransomware groups, and major breach investigations.

#Patch Tuesday #microsoft-security #sharepoint-vulnerability #zero-day

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Originally reported by Bleeping Computer

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